Monticello (/ˌmɒntɪˈsɛloʊ/ MON-tih-SEL-oh) is a city located in San Juan County, Utah, and is the county seat. It is the second most populous city in San Juan County, with a population of 1,958 at the 2000 census. The Monticello area was settled in July 1887 by pioneers from The Church of Jesus Christ of Latter-day Saints. Monticello, named in honor of Thomas Jefferson’s estate, became the county seat in 1895 and was incorporated as a city in 1910.
As of the census of 2000, there were 1,958 people, 606 households, and 467 families residing in the city. The population density was 757.1 people per square mile (291.9/km²). There were 717 housing units at an average density of 277.2 per square mile (106.9/km²). The racial makeup of the city was 83.09% White, 0.10% African American, 6.44% Native American, 0.87% Asian, 0.15% Pacific Islander, 7.00% from other races, and 2.35% from two or more races. Hispanic or Latino of any race were 13.69% of the population.
There were 606 households out of which 41.9% had children under the age of 18 living with them, 69.0% were married couples living together, 5.8% had a female householder with no husband present, and 22.8% were non-families. 20.8% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 3.09 and the average family size was 3.65.
In the city, the population was spread out with 36.5% under the age of 18, 7.6% from 18 to 24, 25.7% from 25 to 44, 17.9% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 110.3 males. For every 100 females age 18 and over, there were 108.7 males.
The median income for a household in the city was $35,929, and the median income for a family was $42,115. Males had a median income of $31,000 versus $21,875 for females. The per capita income for the city was $14,033. About 6.7% of families and 8.2% of the population were below the poverty line, including 8.1% of those under age 18 and 6.3% of those age 65 or over.